Heroes Collide (Percy Jackson/Avengers crossover )

Percy Jackson the savior of Olympus is broken.
Annabeth, Jason, Piper, Frank, Hazel, Reyna and Leo are dead killed in the war against Gaia.
His parents are also dead. Killed by a monster out for revenge.
Now he is plagued by nightmares and tortured by Tartarus.
Alone and lost Nick Fury sends the avengers to find him and offers to let him join them but will he accept? Will the avengers be able to heal
DISCLAIMER: the avengers belong to marvel and percy jackson belongs to Rick Riordan.